<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
  <style type="text/css">
    div{
      width: 300px;
      height: 300px;
      border: #000 solid 1px;
      margin: 50px auto;
      overflow: hidden;
    }
    div img{
      cursor: pointer;
      transition: all 0.6s;
    }
    div img:hover{
      transform: scale(0.6);
    }
  </style>

</head>
<body>
<div>
  <img src="./img/训练计划1.png" />
</div>

</body>
</html>
